The issue
TRUCKS EQUIPPED WITH ROCKWELL INTERNATIONAL FF921 FRONT AXLES AND CAST ALUMINUM WHEEL HUBS. THERE IS A POSSIBILITY OF CRACKING IN THE AREA OF THE WHEEL MOUNMTING FLANGE AND/OR INNER BEARING BARREL SECTION ON CERTAIN ROCKWELL CAST ALUMINUM WHEELS (CASTING NO. 333-A-911). EITHER DEFECT CAN CAUSE THE WHEEL AND TIRE TO SEPARATE FROM THE VEHICLE CAUSING A LOSS OF VEHICLE CONTROL.
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| Mack FL | 1972, 1973 |
| Mack FS | 1972, 1973 |
| Mack RL | 1972, 1973 |
| Mack RS | 1972, 1973 |